For Americans with mobility impairments, just getting around can be a challenge. Public transit that accommodates for the disabled is inconsistent and even non-existent in some places. Purchasing an adaptive van can be as expensive as a supercar. But autonomous cars may provide an affordable and radical solution.

Here's an idea. Instead of taking minivans, chopping them up and adding lifts and leaning mechanisms and custom controllers, why not just build a car for the wheelchair? This is the concept Hungarian company Rehab LTD. is pitching with this vehicle dubbed the Kenguru. The driver simply rolls into place, locks down the…